Broadband biphotons in a single spatial mode

被引：15
|
作者：
Katamadze, K. G. [1 ,2 ]
Borshchevskaya, N. A. [1 ]
Dyakonov, I. V. [1 ]
Paterova, A. V. [1 ]
Kulik, S. P. [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Moscow 119992, Russia
[2] Russian Acad Sci, Inst Phys & Technol, Moscow 117218, Russia
来源：
PHYSICAL REVIEW A | 2015年 / 92卷 / 02期
基金：
俄罗斯科学基金会; 俄罗斯基础研究基金会;
关键词：
ENTANGLED PHOTON-PAIRS; OPTICAL PARAMETRIC AMPLIFICATION; CONTROLLED ANGULAR-DISPERSION; NONLINEAR CRYSTALS; DOWN-CONVERSION; SIGNAL BEAM; BANDWIDTH; GENERATION; DOWNCONVERSION; SPECTRUM;
D O I：
10.1103/PhysRevA.92.023812
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate the experimental technique for generating a spatial single-mode broadband biphoton field. The method is based on a dispersive optical element which precisely tailors the structure of the type-I spontaneous parametric down-conversion (SPDC) frequency angular spectrum in order to shift different spectral components to a single angular mode. Spatial mode filtering is realized by coupling biphotons into a single-mode optical fiber.
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页数：7
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